4-[4-(5-butyl-thiophene-2-carbonyl)-3,4,5,6-tetrahydro-2H-[1,2']bipyridinyl-5'-sulfonyl]-tetrahydro-pyran-4-carboxylic acid tert-butyl ester 、
三氟乙酸 以
二氯甲烷 为溶剂,
反应 4.0h,
以82%的产率得到4-[4-(5-butyl-thiophene-2-carbonyl)-3,4,5,6-tetrahydro-2H-[1,2']bipyridinyl-5'-sulfonyl]-tetrahydro-pyran-4-carboxylic acid trifluoroacetate